Skip to content
King Swallowtail Butterfly

King Swallowtail Butterfly

King Swallowtail Butterfly

The King Swallowtail Butterfly – Papilio thoas (Heraclides thoas)

King Swallowtail Butterfly
King Swallowtail Butterfly (Papilio thoas)

The King Swallowtail, also called the Thoas Swallowtail is found in the southernmost United States, Mexico, Central America and South America (as far south as Argentina and Uruguay). 

Adult King Swallowtails fly year round in the tropics, feeding on nectar of a variety of flowers

This is a large butterfly with a 120-130mm wingspan.

King Swallowtail Butterfly
King Swallowtail Butterfly

The Upperside of the forewings have diagonal yellow band of square spots in a neat row.

King Swallowtail Butterfly
(Papilio thoas) King Swallowtail Butterfly

The Underside is pale yellow with pale blue and dark red markings. Both male and female have similar colours and patterns.

King Swallowtail Caterpillar
King Swallowtail Caterpillar

The Caterpillars resemble bird droppings to deter predators and rest exposed on leaves.

King Swallowtail Butterfly

error: Content is protected !!